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A bear in Colorado entered and locked itself inside a Subaru on July 12, 2016. Annie Bruecker said her 2005 Subaru Outback was parked in her driveway overnight with the doors unlocked, which she said she typically doesn't do. Her mom woke her up Tuesday morning after discovering the black bear trapped inside the SUV. (Published Wednesday, July 13, 2016)

A black bear found stuck inside a car near Denver left sheriff's deputies scratching their heads this week — it's not clear how the wild animal managed to get inside.

None of the car's windows were broken and the door handles could not be easily lifted, the Jefferson County, Colorado, Sheriff's Department said in a Facebook post Tuesday.

"Somehow this medium-sized bear managed to open a door, crawl inside and close the door behind him," the post said. "Deputies could tell by all the moisture on the windows that he'd clearly been inside for a while."

Annie Bruecker told NBC affiliate KUSA that her mom woke her up Tuesday morning after discovering the black bear trapped inside Annie’s 2005 Subaru Outback. Bruecker said the SUV was parked in her driveway overnight with the doors unlocked, something she typically doesn't do.

"[My mom] screamed from downstairs," Bruecker told the station. "She said, 'Annie, there's a bear in your car.' And I thought that she meant that it broke a window, and I was like, 'okay, that's life.' But, no she actually meant that it was in my car."

The two sheriff's deputies at the scene decided to open the hatch of the Subaru to get the bear out, deputies said in the Facebook post. Unable to open it with the key fob, one of the deputies opened the door manually and the bear jumped out, quickly making his way back into the woods.